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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Heart chambers are lined with this
diastole
fibrous epicardium
pressoreceptors in teh carotid and aortic sinuses
endocardium
2. First part of the cardia conduction pathway in teh ventircles
right and left atria
bundle of His...
venous return
closure of the valves
3. Amount of blood pumped by a ventricle in 1 minute
tricuspid valve
sodium ions and water
venous return
cardiac output
4. Largest artery of the body
cardiac cycle
coronary arteries
aorta
bundle of His...
5. Vessel into which the left ventricle pumps blood
bradycardia
aorta
sodium ions and water
prevent friction as the heart beats
6. Prevents backflow of blood from teh right ventricle to the right atrium
sodium ions and water
arrhythmias
tricuspid valve
stroke volume
7. Relaxation of chambers of the heart
cardiac reserve
diastole
bicuspid valve
venous return
8. Difference between resting cardiac output adn maximum exercise cardiac output
cardiac reserve
medulla
arrhythmias
endocardium
9. The chambers of teh heart that receive blood from the veins
right and left atria
medulla
aorta
SA node
10. Sequence of events in one heartbeat
prevent friction as the heart beats
sodium ions and water
stroke volume
cardiac cycle
11. Relaxation
ECG
aortic and pulmonary semilunar valves
bradycardia
diastole
12. Contraction
fibrullation
SA node
aorta
systole
13. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
cardiac output
aorta
medial to the lungs and superior to the diaphragm
14. Heart rate below 60 bpm
cardiac cycle
bradycardia
closure of the valves
arrhythmias
15. Visceral pericardium
endocardium
epicardium
SA node
systole
16. Purpose of teh coronary vessels
myocardium
sodium ions and water
stroke volume
supply the heart with oxygenated blood
17. Endocardium lines the chambers of the heart
superior and inferior caval veins
aorta
is smooth to prevent abnormal clotting within the heart
bradycardia
18. Normal heart sounds are caused by
cardiac reserve
mediastinum
closure of the valves
venous return
19. Cardiac muscle tissue
systole
systole
myocardium
prevent friction as the heart beats
20. Irregular heartbeats
ischemia
arrhythmias
endocardium
pressoreceptors in teh carotid and aortic sinuses
21. Coronary sinus receives blood directly from this
is smooth to prevent abnormal clotting within the heart
coronary veins
sodium ions and water
ECG
22. Contraction of chambers of the heart
diastole
bicuspid valve
medial to the lungs and superior to the diaphragm
systole
23. The amount of blood that returns to teh heart
cardiac reserve
stroke volume
vagus nerves
venous return
24. Area in the thoracic cavity between the lungs
cardiac cycle
systole
SA node
mediastinum
25. Backflow o fblood from the arteries to the ventricles is prevented by these
diastole
diastole
aortic and pulmonary semilunar valves
cardiac cycle
26. Funciton of the serous fluid of teh pericardial membranes
arrhythmias
bradycardia
closure of the valves
prevent friction as the heart beats
27. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
endocardium
cardiac cycle
sodium ions and water
aorta
28. Veins that return blood to the right atrium
endocardium
superior and inferior caval veins
cardiac cycle
mediastinum
29. Narrowing of a valve
arrhythmias
diastole
stenosis...
cardiac cycle
30. Prevents backflow of blood from the left ventricle to the left atrium
coronary veins
tricuspid valve
bicuspid valve
mediastinum
31. Amount of blood pumped by a ventricle per beat
medulla
prevent friction as the heart beats
bundle of His...
stroke volume
32. 1st branches of teh ascending aorta
bicuspid valve
coronary arteries
aortic and pulmonary semilunar valves
closure of the valves
33. Normal range of heart rate for a healthy adult is _____ bpm
supply the heart with oxygenated blood
myocardium
sodium ions and water
60-80
34. Very rapid and uncoordinated ventricular beat
systole
tricuspid valve
fibrullation
closure of the valves
35. Electical activity of the heart may be depicted in an
ECG
SA node
diastole
superior and inferior caval veins
36. Natural pacemaker of the heart
closure of the valves
SA node
venous return
aorta
37. Changes in blood pressure are detected by
pressoreceptors in teh carotid and aortic sinuses
coronary veins
diastole
stenosis...
38. Heart is located here
right and left atria
medial to the lungs and superior to the diaphragm
ECG
closure of the valves
39. Each normal heartbeat is initiated by this
SA node
fibrous epicardium
60-80
aorta
40. Nerves that transmit impulses to decrease the heart rate are the ____
cardiac cycle
fibrullation
myocardium
vagus nerves
41. The centers that regulate heart rate located in the___
medulla
cardiac reserve
cardiac output
ECG
42. Outermost of the pericardial membranes
supply the heart with oxygenated blood
epicardium
bradycardia
fibrous epicardium
43. Upper chamber of the heart
vagus nerves
atrium
SA node
aorta